package Bissextile;

import java.util.Scanner;

public class Bissextile {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		if(n>=1990 && n<=2050){
			if(n%400==0){//能被四百整除
				System.out.println("yes");
			}else if(n%4==0 && n%100!=0){
				System.out.println("yes");
			}else{
				System.out.println("no");
			}
		}
	}
}
